[linux-lvm] How to extend a root LVM volume?
Heinz Mauelshagen
mauelshagen at redhat.com
Sun Jun 20 08:50:37 UTC 2004
I am guessing that rescue CD has a restrictive filter setup
which prevents vgscan from seeing the drives.
On Thu, Jun 17, 2004 at 10:04:06AM -0700, Mark Miksis wrote:
> I'm trying to extend a root LVM. I'm using LVM2 on FC2. Here is what
> I've tried:
>
> I ran lvextend when the system was booted normally and the volumes were
> mounted. This worked as expected and lvdisplay properly shows the new
> larger size.
>
> Then I booted into the FC2 rescue CD and instructed it to NOT search for
> and mount Fedora installations. I then ran:
> # resize2fs /dev/Volume00/LogVol00
> I don't have the specific error, but it basically says that the
> specified volume doesn't exist. Indeed if I look in /dev, my volume
> group and volumes are nowhere to be found.
>
> At that point I tried:
> # lvm
> lvm> vgscan
> After only about 1 second, it responds that no volumes are found.
>
> I also tried rebooting from the CD and letting it mount my
> installations. In this case, the volume and volume groups are properly
> discovered and mounted. However, if I try to unmount the volume, it
> always responds with "device busy".
>
> Is this a problem with how the FC2 rescue disk scans for volumes? Any
> help would be appreciated.
> _______________________________________________
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> linux-lvm at redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
--
Regards,
Heinz -- The LVM Guy --
*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***
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Heinz Mauelshagen Red Hat GmbH
Consulting Development Engineer Am Sonnenhang 11
56242 Marienrachdorf
Germany
Mauelshagen at RedHat.com +49 2626 141200
FAX 924446
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